Home / 2,345.56-3,239.70-1,758.64

Finding the Fourth Proportional to 2,345.56, 3,239.70 and 1,758.64

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Solution

The fourth proportional to 2,345.56, 3,239.70 and 1,758.64 is: 2,429.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,345.56 : 3,239.70 = 1,758.64 : x
  2. Step 2: Convert to fraction form
    2,345.56/3,239.70 = 1,758.64/x
  3. Step 3: Cross multiply
    2,345.56x = 3,239.70 × 1,758.64
  4. Step 4: Simplify right side
    2,345.56x = 5,697,466.01
  5. Step 5: Solve for x
    x = 5,697,466.01/2,345.56
  6. Step 6: Final answer
    x = 2,429.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.